If you want to read this link beware it is about 50 pages !! I only pasted a paragraph below: ( Crossflo uses CDX 3

Also notice it is deployed on a "hp", so... might be hewlet packard??

improvement in performance of ngram classifiers with frequent ...

data for this study was extracted from across the
military health system (mhs) using the clinical
data mart (cdm). the cdm uses a business
objects interface to perform structured queries
and analysis capabilities through a secure web
interface. data collected between december 1,
2007 and february 29, 2008 was used to profile
encounters that included at least one body
temperature measurement and at least one
microbiology or chemistry laboratory test for
influenza (a and/or b) or one of the other ili
pathogens (rsv, adenoviruses, s. pneumoniae,
m. pneumoniae, h. influenzae, b. pertussis, c.
pneumoniae, c. psittaci).